Peters



(N i9-Mode1.)

QG. K.IORRELL.

PILLOW BLOGK.

Patented May 2B, 1882.

u [TIER-|- It' E wlw-m1155555- Ai u 4UNITED STATES PATENT OFFICE.

GEORGE K. ORRELL, OF OSWEGO, NEW- YORK.

Pl LLOW-BLOCK.'

SPECIFICATION forming part of Letters Patent No. 258,312, dated May 23, 18182,

Application tiled April 8, 1882.

To all whom it may concern:

Be it known that I, GEORGE K. ORRELL, of Oswego, in the countyV of Oswego, in the State of New York, have invented new and useful Improvements in Pillow-Blocks, of which the following, taken in connection with the accompanyingV drawings, is a full, clear, and exact description.

The nature of this invention consists in certain novel, simple, effective,and convenient means for adjustably securing journal'bearings in their position in relation to the journal,

as hereinafter fully described, and specically set forth in the claims.

In the accompanying drawings, Figure l is a top view of a pillow-block provided with my improvements.V Fig. 2 is a side view of the saine, and Fig. 3 is a vertical transverse section taken through the center thereof.

Similar letters of reference indicate corresponding parts. Y

P denotes a pillow-block or base of a journal-box of a horizontal revolving shaft. From said base rise twojaws, J J, across the top of which is secured the cap C, the whole forming abox,in which the journal-bearin gs-sometimes designated brassesL-are arranged. The bottom bearing, e, is seated upon the upper or inner face of the base P, and secured against lateral displacement by ribs o r on said base abutting against the sides of the bear ing e. rlhe side bearings or cheek-pieces, D D, rest upon the two side edges of the bottom bearing, e, to form a continuous bearing with the same. The rear face of the side bearings, D, is beveled -or inclined inwardly from the bottom to the top, and between the'back of the bearings D and inner face of the adjacent jaw J is inserted a wedge, w, which is extended the length and depth of the said bearing. The top bearing, f, is applied to the under side of the cap O and fitted between longitudinal ribs g g on the cap.

Numerous devices have been resorted to to obtain the requisite adjustment of the aforesaid bearings for compensating for the wear of the same and taking up the lost motion of the journal; but thus far none have afforded the necessary accuracy and convenience for effecting the aforesaid adjustment and of maintaining the parts in their adjustment. I effect the (No model.)

aforesaid adjustment by the following instrumentalities:

In the top of the jaws J, I rigidly secure upward-prqecting stud-bolts h, which are screw-threaded at their extremity. Over each of the stud-bolts h is slipped a loosely-nttcd hollow bolt, B, which is screw-threaded extern ally and works in a correspondin glythread ed eye through the cap C, and rests with its lower end on the top of the jaw J. The upper extremity of the hollow bolt B is provided with a square or hexagon head for the application of a wrench, and above this head the studbolt h is provided with a nut, n. The cap O is thus supported by the hollow bolt B and adproperly onto the top of the journal by iirst slacking the nut n and then turning the bolt B so as to run it up and allow the cap to settle and bring the brass f to properly bear on the top of the journal. After this is effected the bolt B is turned down to barely bring its bottom to touch the top of the jaw, and is so retained by turning down the nut n on the stud h. The side bearin gs or cheek-pieces, D, I adjust by means of a stud, c, rigidly attached to the top of the wedge w and loosely extended through a hollow bolt, a, which works in a screw-threaded eye in the cap O, and is similar to the hollow bolt B, before described. A nut, b, on the upper end of the stud c serves to draw the wedge w up against the lower end of the hollow bolt a.. A set-screw,A, passing horizontally through a vertical slot, d, inthe jaw J and engaging a screw-threadedsocket in the back of thewedge w, assists the bolt a and stud c in holding the wedge in its desired position.

The operation of the adj ustment of the cheekpieces D is as follows: First slack set-screw A. Then screw down the hollow bolt a until the brass or cheek-piece D has obtained a proper bearing on the side ofthejournal. Then lock it in its position by tightening the nut b and set-screw A.

In order to steady the 'brasses or bearings D D and more effectually prevent their lifting and rattling, I insert through the cap O setscrews s, bearin g ontop of the brasses D.

It will be observed that the described construction and combination of bolts and set- IOO screws afford a very convenient and positive means for accurately adjusting the several journal-bearings so as to take up all lost motion and maintain the shaft in perfect line.

Having described my invention, what I claim is- 1. In combination with thejournal-box base P, jaws J, and cap C, the stud h, fixed to the jaws, the hollow bolt B, tted loosely over the 1o stud and working in a screw-threaded eye in the cap, and the nut n on the end of the stud, as set forth and shown.

2. In combination with the journal-box base P,jaws J, cap C, cheek-pieces D, and wedge fw, the studs la and c, iXed respectively to the jaws and tothe wedge, the hollow bolts B and a, slipped loosely over the respective studs and working in threaded eyes in the cap, and the nutsn and 1),'applied resliectivelyxto the extremities of tne studs, substantially as described and shown.

3. In combination with the journal-box base P, jaws J cap C, cheek-pieces D, and wedge fw, the studs h and c, hollow bolts B and a, nuts n and b, and the set-screws A, all as shown` and set forth.

4. In combination with the journal-box base P, jaws J, cap O, bottom bearing, e, and wedge w, the cheek-piece D, resting; on the bottom bearing, e, and the set-screw s, working in the cap() and bearing on top of the cheekpiece, substantially as described and shown.

In testimony whereof I have hereunto signed my name and afixed my seal, in the presence of two attesting witnesses, at Syracuse, in the county of Onondaga, in the State of New York, this 25th day of March, 1882.

GEORGE K. ORRELL. [Ljs] Witnesses:

C. H. DUELL, WM. C. RAYMOND. 

